A. eating B. work C. take D. library E. should F. right G. quietly H. aren't I. keep |
There are some public(公共的) rules(规则)in our life. They mean different(不同的) things. When we are in the , we must talk . When we are waiting for the bus, we should turns. When our desks clean, we must our desk clean. When we are walking, we should keep to the . You can see "No "in the computer room. When we study in class, we must quietly. We obey(遵守)these rules in our life.